Home / 629,410.71-868,575.69-342,932.79

Finding the Fourth Proportional to 629,410.71, 868,575.69 and 342,932.79

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Solution

The fourth proportional to 629,410.71, 868,575.69 and 342,932.79 is: 473,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,410.71 : 868,575.69 = 342,932.79 : x
  2. Step 2: Convert to fraction form
    629,410.71/868,575.69 = 342,932.79/x
  3. Step 3: Cross multiply
    629,410.71x = 868,575.69 × 342,932.79
  4. Step 4: Simplify right side
    629,410.71x = 297,863,084,697.88
  5. Step 5: Solve for x
    x = 297,863,084,697.88/629,410.71
  6. Step 6: Final answer
    x = 473,241.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.